EP2435780A1 - Method for producing a large-calibre explosive projectile, and an explosive projectile produced using this method - Google Patents

Method for producing a large-calibre explosive projectile, and an explosive projectile produced using this method

Info

Publication number
EP2435780A1
EP2435780A1 EP10720128A EP10720128A EP2435780A1 EP 2435780 A1 EP2435780 A1 EP 2435780A1 EP 10720128 A EP10720128 A EP 10720128A EP 10720128 A EP10720128 A EP 10720128A EP 2435780 A1 EP2435780 A1 EP 2435780A1
Authority
EP
European Patent Office
Prior art keywords
projectile casing
projectile
explosive
explosive charge
casing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP10720128A
Other languages
German (de)
French (fr)
Other versions
EP2435780B1 (en
Inventor
Ole Dau
Uwe Naderhoff
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rheinmetall Waffe Munition GmbH
Original Assignee
Rheinmetall Waffe Munition GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Rheinmetall Waffe Munition GmbH filed Critical Rheinmetall Waffe Munition GmbH
Publication of EP2435780A1 publication Critical patent/EP2435780A1/en
Application granted granted Critical
Publication of EP2435780B1 publication Critical patent/EP2435780B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B33/00—Manufacture of ammunition; Dismantling of ammunition; Apparatus therefor
    • F42B33/02—Filling cartridges, missiles, or fuzes; Inserting propellant or explosive charges
    • F42B33/0207—Processes for loading or filling propulsive or explosive charges in containers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B12/00—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material
    • F42B12/02—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect
    • F42B12/20—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect of high-explosive type
    • F42B12/207—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect of high-explosive type characterised by the explosive material or the construction of the high explosive warhead, e.g. insensitive ammunition
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B30/00—Projectiles or missiles, not otherwise provided for, characterised by the ammunition class or type, e.g. by the launching apparatus or weapon used
    • F42B30/08—Ordnance projectiles or missiles, e.g. shells
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B33/00—Manufacture of ammunition; Dismantling of ammunition; Apparatus therefor
    • F42B33/001—Devices or processes for assembling ammunition, cartridges or cartridge elements from parts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B33/00—Manufacture of ammunition; Dismantling of ammunition; Apparatus therefor
    • F42B33/02—Filling cartridges, missiles, or fuzes; Inserting propellant or explosive charges
    • F42B33/0214—Filling cartridges, missiles, or fuzes; Inserting propellant or explosive charges by casting

Definitions

  • the invention relates to a method for producing a large-caliber explosive projectile with a projectile casing with ogivalem front part, which encloses a filled with a plastic-bonded explosive charge interior and has a tip side closable with a head detonator mouth hole.
  • the invention further relates to a produced by this method large-caliber explosive projectile.
  • Such a method is known, for example, from the document EP 1 338 860 B1.
  • an existing example of an elastic plastic shell (hereinafter referred to as a liner) is introduced through the mouth hole in the interior of the projectile casing and then poured the explosive charge in the liner.
  • the liner is required in this case to decouple the explosive charge to the inner wall of the projectile casing due to the different volumetric expansion coefficients of the explosive charge and the bullet casing material with temperature fluctuations.
  • a disadvantage of the known method is especially that the mouth hole designed for screwing a detonator has a small diameter, so that both the introduction and positioning of the liner in the interior of the projectile casing as well as the introduction of the usually highly viscous castable explosive charge in the liner extraordinarily time consuming.
  • the invention has for its object to provide a method of the type mentioned, in which both the liner and the explosive charge in a simple manner, quickly and accurately in the projectile casing of the projectile can be introduced. Except- this is to be disclosed a large-caliber explosive projectile, which is produced by this method.
  • the invention is based essentially on the idea not to introduce the liner and the explosive charge through the designed for the head detonator mouth hole in the interior of the projectile casing, but by a much larger opening.
  • the projectile casing is produced as an at least two-part casing, such that in the direction of the longitudinal axis of the projectile casing there is a rear-side projectile casing section and a ring-shaped, front projectile casing section containing the mouth-hole, wherein the two projectile casing sections in the region of the ogival front part preferably together via a screw connection are connectable.
  • a liner adapted to the inner contour of the inner space and consisting of an elastic material is first introduced and positioned into the interior of the rear-side projectile casing section through its front opening. Then the plastic-bonded explosive charge is introduced into the liner, and after its curing, the liner is closed with a plastic, for example, existing lid. Subsequently, an elastic compensation element adapted to the internal geometry of the front-side projectile casing section is positioned on the cover and the two projectile casing sections are screwed together.
  • the liner Due to the large opening of the rear-side projectile casing section, the liner can be easily creased and without further processing steps into the interior of this machine. Insert shell section and position it accurately.
  • the also correspondingly large interpretable opening of the plastic cover allows a very good filling of the liner with the explosive charge, which can thus be filled voids and bubbles in the liner.
  • the liner is selected so that the explosive charge protrudes from the front side over the rear-side projectile casing section, and that after curing of the explosive charge by appropriate processing the front ends with a flat surface and after connecting the two bullet casing sections in the interior of the front Projectile casing section protrudes.
  • the liner is hermetically sealed by the lid and an applied seal.
  • the length of the front projectile casing section is approximately equal to 1/3 of the total length of the projectile casing.
  • the compensation element should preferably consist of an open-cell foam.
  • the screw connection of the two projectile casing sections should preferably be secured against loosening by means of an adhesive.
  • Fig. 1 shows the longitudinal section through an inventive explosive projectile
  • FIG. 2 shows an enlarged view of the area designated by Il in FIG.
  • 1 designates a large-caliber, spin-stabilized explosive projectile, as can be fired, for example, from a tank howitzer.
  • the explosive projectile 1 comprises a projectile casing 2 with ogivalem front part 2 ' , a bottom part 3 and a front-side head detonator 4.
  • the head detonator 4 is screwed into a tip-side arranged in the projectile casing 2 mouth hole 5.
  • the projectile casing 2 surrounds an inner space 6, with the inner walls 7, an elastic plastic cover (liner) 8 is glued.
  • liner 8 In the liner 8 is a plastic-bound, insensitive explosive charge 9.
  • the explosive charge 9 is closed by an elastic compensating element 10, on whose side facing away from the explosive charge 9, the front region of the inner wall of the projectile casing 2 and the head igniter 4 exert a predeterminable pressure, so that the explosive charge 9 is under prestress.
  • the projectile casing 2 viewed in the direction of its longitudinal axis 11, consists of two projectile casing sections 20, 21, which are connected to one another in the region of the ogival front section 2 ' by means of a screw connection 22 and secured against loosening by means of gluing.
  • the liner 8 is then pushed and positioned by the relatively large opening 23 of the rear-side projectile casing section 20 into the interior 6 of this casing section.
  • the length of the liner 8 is selected such that the liner 8 extends on the front side in front of the front edge 24 of the rear-side projectile casing section 20.
  • the explosive charge 9 is then poured into the liner 8, such that the explosive charge 9 protrudes on the front side over the rear-side projectile casing section 20.
  • the liner 8 After curing of the explosive charge 9, this is processed for example by means of a machining process such that the explosive charge 9 ends on the front side with a flat surface 25.
  • the liner 8 is then provided with a cover 26 made of plastic and hermetically sealed by means of a bond.
  • the exactly adapted to the internal geometry of the front floor shell portion 21 compensating element 10 is positioned from an open-cell foam.
  • This compensating element 10 has a large footprint to the lid 26 of the liner 8.
  • an explosive head detonator 4 is screwed into the mouth hole 5 and glued.
  • the head detonator 4 can be designed such that it can be used for further compression of the compensating element 10.

Abstract

The invention relates to a method for producing a large-calibre explosive projectile (1) having a projectile casing (2) with an ogival front part (2’), which surrounds an internal area (6) filled with a plastic-bonded explosive charge (9) and, at the nose end, has a mouth (5) which can be closed by a nose fuze (4), wherein an elastic liner (8) is arranged between the explosive charge (9) and the inner wall (7) of the projectile casing (2). In order to ensure that both the liner (8) and the explosive charge (9) can be introduced quickly and accurately, in a simple manner, into the projectile casing (2) of the explosive projectile (1), the invention proposes that the projectile casing (2) be produced in two parts, such that, in the direction of the longitudinal axis (11) of the projectile casing (2), a rear-end projectile casing section (20) and a front projectile casing section (21), which contains the mouth (5) and is annular in shape, are the result, wherein the two projectile casing sections (20, 21) can be connected to one another in the area of the ogival front part (2’), preferably via a screw connection (22). The liner (8) is introduced into the rear-end projectile casing section (20) and the explosive charge (9) is introduced into the liner (8), in this case before the two projectile casing sections (20, 21) are connected to one another.

Description

BESCHREIBUNG DESCRIPTION
Verfahren zur Herstellung eines großkalibrigen Sprenggeschosses und Sprengge- schoss, hergestellt nach diesem VerfahrenMethod for producing a large-caliber explosive projectile and explosive bullet produced by this method
Die Erfindung betrifft ein Verfahren zur Herstellung eines großkalibrigen Sprenggeschosses mit einer Geschosshülle mit ogivalem Vorderteil, die einen mit einer kunststoffgebundenen Sprengladung gefüllten Innenraum umschließt und ein spitzenseitig mit einem Kopfzünder verschließbares Mundloch aufweist. Die Erfindung bezieht sich femer auf ein nach diesem Verfahren hergestelltes großkalibriges Sprenggeschoss.The invention relates to a method for producing a large-caliber explosive projectile with a projectile casing with ogivalem front part, which encloses a filled with a plastic-bonded explosive charge interior and has a tip side closable with a head detonator mouth hole. The invention further relates to a produced by this method large-caliber explosive projectile.
Ein derartiges Verfahren ist beispielsweise aus dem Dokument EP 1 338 860 B1 bekannt. Dabei wird zunächst eine beispielsweise aus einem elastischen Kunststoff bestehende Hülle (im folgenden auch als Liner bezeichnet) über das Mundloch in den Innenraum der Geschosshülle eingebracht und anschließend die Sprengladung in den Liner gegossen. Der Liner ist hierbei erforderlich, um aufgrund der unterschiedlichen Volumenausdehnungskoeffizienten der Sprengladung und des Geschosshüllenwerkstoffes die Sprengladung zur Innenwand der Geschosshülle hin bei Temperaturschwankungen zu entkoppeln.Such a method is known, for example, from the document EP 1 338 860 B1. Here, an existing example of an elastic plastic shell (hereinafter referred to as a liner) is introduced through the mouth hole in the interior of the projectile casing and then poured the explosive charge in the liner. The liner is required in this case to decouple the explosive charge to the inner wall of the projectile casing due to the different volumetric expansion coefficients of the explosive charge and the bullet casing material with temperature fluctuations.
Nachteilig bei dem bekannten Verfahren ist vor allem, dass das zum Einschrauben eines Kopfzünders ausgelegte Mundloch einen geringen Durchmesser aufweist, sodass sowohl das Einbringen und Positionieren des Liners in den Innenraum der Geschosshülle als auch das Einbringen der in der Regel hochviskosen gießbaren Sprengladung in den Liner außerordentlich zeitaufwendig sind.A disadvantage of the known method is especially that the mouth hole designed for screwing a detonator has a small diameter, so that both the introduction and positioning of the liner in the interior of the projectile casing as well as the introduction of the usually highly viscous castable explosive charge in the liner extraordinarily time consuming.
Der Erfindung liegt die Aufgabe zugrunde, ein Verfahren der eingangs erwähnten Art anzugeben, bei dem sowohl der Liner als auch die Sprengladung auf einfache Weise, schnell und genau in die Geschosshülle des Sprenggeschosses einbringbar sind. Außer- dem soll ein großkalibriges Sprenggeschoss offenbart werden, welches nach diesem Verfahren hergestellt ist.The invention has for its object to provide a method of the type mentioned, in which both the liner and the explosive charge in a simple manner, quickly and accurately in the projectile casing of the projectile can be introduced. Except- this is to be disclosed a large-caliber explosive projectile, which is produced by this method.
Diese Aufgabe wird erfinduπgsgemäß hinsichtlich des Verfahrens durch die Merkmale des Anspruchs 1 und hinsichtlich des Sprenggeschosses durch die Merkmale des Anspruchs 4 gelöst. Weitere, besonders vorteilhafte Ausgestaltungen der Erfindung offenbaren die Unteransprüche.This object is achieved erfinduπgsgemäß in terms of the method by the features of claim 1 and with respect to the explosive projectile by the features of claim 4. Further, particularly advantageous embodiments of the invention disclose the dependent claims.
Die Erfindung beruht im Wesentlichen auf dem Gedanken, den Liner und die Sprengladung nicht durch das für den Kopfzünder ausgelegte Mundloch in den Innenraum der Geschosshülle einzubringen, sondern durch eine wesentlich größere Öffnung. Hierzu wird die Geschosshülle als mindestens zweiteilige Hülle hergestellt, derart, dass sich in Richtung der Längsachse der Geschosshülle ein heckseitiger Geschosshüllenabschnitt und ein das Mundloch enthaltender, ringförmig ausgebildeter, vorderer Geschosshüllenabschnitt ergeben, wobei die beiden Geschosshüllenabschnitte im Bereich des ogivalen Vorderteiles vorzugsweise über eine Schraubverbindung miteinander verbindbar sind. Vor dem Verbinden der beiden Geschosshüllenabschnitte wird in den Innenraum des hecksei- tigen Geschosshüllenabschnittes durch deren vorderseitige Öffnung zunächst ein an die Innenkontur des Innenraumes angepasster, aus einem elastischen Material bestehender Liner eingebracht und positioniert. Dann wird die kunststoffgebundene Sprengladung in den Liner eingebracht, und nach ihrem Aushärten wird der Liner mit einem beispielsweise aus Kunststoff bestehenden Deckel verschlossen. Anschließend wird ein an die Innengeometrie des vorderseitigen Geschosshüllenabschnittes angepasstes elastisches Ausgleichselement auf dem Deckel positioniert und die beiden Geschosshüllenabschnitte miteinander verschraubt.The invention is based essentially on the idea not to introduce the liner and the explosive charge through the designed for the head detonator mouth hole in the interior of the projectile casing, but by a much larger opening. For this purpose, the projectile casing is produced as an at least two-part casing, such that in the direction of the longitudinal axis of the projectile casing there is a rear-side projectile casing section and a ring-shaped, front projectile casing section containing the mouth-hole, wherein the two projectile casing sections in the region of the ogival front part preferably together via a screw connection are connectable. Before connecting the two projectile casing sections, a liner adapted to the inner contour of the inner space and consisting of an elastic material is first introduced and positioned into the interior of the rear-side projectile casing section through its front opening. Then the plastic-bonded explosive charge is introduced into the liner, and after its curing, the liner is closed with a plastic, for example, existing lid. Subsequently, an elastic compensation element adapted to the internal geometry of the front-side projectile casing section is positioned on the cover and the two projectile casing sections are screwed together.
Durch die Aufteilung der Geschosshülle in einen vorderen und einen heckseitigen Geschosshüllenabschnitt entsteht vor der kompletten Montage nicht nur eine große definierte Öffnung zum Einbringen des Liners und der Sprengladung, sondern hierdurch ist auch eine problemlose spanabhebende Innenbearbeitung des heckseitigen Geschosshüllenabschnittes möglich, sodass die dadurch entstehende genaue Innenkontur eine konturange- passte Fertigung des Liners ermöglicht.By dividing the projectile casing in a front and a rear-side projectile casing section is formed before the complete assembly not only a large defined opening for introducing the liner and the explosive charge, but this also a trouble-free internal machining of the rear-side projectile casing section is possible, so that the resulting exact inner contour a contour-matched production of the liner allows.
Durch die große Öffnung des heckseitigen Geschosshüllenabschnittes lässt sich der Liner sehr gut und ohne weitere Bearbeitungsschritte knitterfrei in den Innenraum dieses Ge- schosshüllenabschnittes einbringen und darin genau positionieren.Due to the large opening of the rear-side projectile casing section, the liner can be easily creased and without further processing steps into the interior of this machine. Insert shell section and position it accurately.
Die ebenfalls entsprechend groß auslegbare Öffnung der Kunststoffhülle ermöglicht eine sehr gute Befüllbarkeit des Liners mit der Sprengladung, die somit lunker- und blasenfrei in den Liner eingefüllt werden kann.The also correspondingly large interpretable opening of the plastic cover allows a very good filling of the liner with the explosive charge, which can thus be filled voids and bubbles in the liner.
Bei einer Ausführungsform der Erfindung wird der Liner derart gewählt, dass die Sprengladung vorderseitig über den heckseitigen Geschosshüllenabschnitt hervorsteht, und dass nach dem Aushärten der Sprengladung diese durch entsprechende Bearbeitung vorderseitig mit einer ebenen Fläche abschließt und nach dem Verbinden der beiden Geschosshüllenabschnitte in den Innenraum des vorderseitigen Geschosshüllenabschnittes hineinragt. Der Liner wird durch den Deckel und eine eingebrachte Verklebung bzw. Versiegelung hermetisch geschlossen. Somit wird ein Rutschen des Liners aufgrund von Relativbewegungen zwischen Sprengladung und Innenwand des heckseitigen Geschosshüllenabschnittes wirkungsvoll verhindert.In one embodiment of the invention, the liner is selected so that the explosive charge protrudes from the front side over the rear-side projectile casing section, and that after curing of the explosive charge by appropriate processing the front ends with a flat surface and after connecting the two bullet casing sections in the interior of the front Projectile casing section protrudes. The liner is hermetically sealed by the lid and an applied seal. Thus, slippage of the liner due to relative movements between the explosive charge and the inner wall of the rear-side projectile casing section is effectively prevented.
Als vorteilhaft hat es sich erwiesen, wenn die Länge des vorderen Geschosshüllenabschnittes etwa gleich 1/3 der Gesamtlänge der Geschosshülle beträgt.It has proved to be advantageous if the length of the front projectile casing section is approximately equal to 1/3 of the total length of the projectile casing.
Das Ausgleichselement sollte vorzugsweise aus einem offenporigen Schaumstoff bestehen.The compensation element should preferably consist of an open-cell foam.
Die Schraubverbindung der beiden Geschosshüllenabschnitte sollte vorzugsweise mittels eines Klebers gegen Lösen gesichert werden.The screw connection of the two projectile casing sections should preferably be secured against loosening by means of an adhesive.
Weitere Einzelheiten und Vorteile der Erfindung ergeben sich aus den folgenden, anhand von Figuren erläuterten Ausführungsbeispielen. Es zeigen:Further details and advantages of the invention will become apparent from the following, with reference to figures explained embodiments. Show it:
Fig.,1 den Längsschnitt durch ein erfindungsgemäßes Sprenggeschoss undFig. 1 shows the longitudinal section through an inventive explosive projectile and
Fig.2 eine vergrößerte Ansicht des in Fig.2 mit Il bezeichneten Bereiches.2 shows an enlarged view of the area designated by Il in FIG.
In Fig.1 ist mit 1 ein großkalibriges, drallstabilisiertes Sprenggeschoss bezeichnet, wie es beispielsweise aus einer Panzerhaubitze verschossen werden kann. Das Sprenggeschoss 1 umfasst eine Geschosshülle 2 mit ogivalem Vorderteil 2', einem Bodenteil 3 und einem vorderseitigen Kopfzünder 4. Der Kopfzünder 4 ist in ein spitzenseitig in der Geschosshülle 2 angeordnetes Mundloch 5 eingeschraubt.In FIG. 1, 1 designates a large-caliber, spin-stabilized explosive projectile, as can be fired, for example, from a tank howitzer. The explosive projectile 1 comprises a projectile casing 2 with ogivalem front part 2 ' , a bottom part 3 and a front-side head detonator 4. The head detonator 4 is screwed into a tip-side arranged in the projectile casing 2 mouth hole 5.
Die Geschosshülle 2 umgibt einen Innenraum 6, mit dessen Innenwänden 7 eine elastische, aus Kunststoff bestehende Hülle (Liner) 8 verklebt ist. In dem Liner 8 befindet sich eine kunststoffgebundene, insensitive Sprengladung 9.The projectile casing 2 surrounds an inner space 6, with the inner walls 7, an elastic plastic cover (liner) 8 is glued. In the liner 8 is a plastic-bound, insensitive explosive charge 9.
Vorderseitig ist die Sprengladung 9 durch ein elastisches Ausgleichselement 10 abgeschlossen, auf dessen der Sprengladung 9 abgewandten Seite der vordere Bereich der Innenwand der Geschosshülle 2 und der Kopfzünder 4 einen vorgebbaren Druck ausüben, sodass die Sprengladung 9 unter Vorspannung steht.On the front side, the explosive charge 9 is closed by an elastic compensating element 10, on whose side facing away from the explosive charge 9, the front region of the inner wall of the projectile casing 2 and the head igniter 4 exert a predeterminable pressure, so that the explosive charge 9 is under prestress.
Erfindungsgemäß setzt sich die Geschosshülle 2, in Richtung ihrer Längsachse 11 gesehen, aus zwei Geschosshüllenabschnitten 20, 21 zusammen, die im Bereich des ogivalen Vorderteiles 2' miteinander über eine Schraubverbindung 22 verbunden und mittels einer Klebung gegen Lösen gesichert sind.According to the invention, the projectile casing 2, viewed in the direction of its longitudinal axis 11, consists of two projectile casing sections 20, 21, which are connected to one another in the region of the ogival front section 2 ' by means of a screw connection 22 and secured against loosening by means of gluing.
Zum Einlaborieren der Sprengladung 9 in die Geschosshülle 2 werden die beiden Geschosshüllenabschnitte 20, 21 getrennt.To integrate the explosive charge 9 into the projectile casing 2, the two projectile casing sections 20, 21 are separated.
Anschließend wird dann der Liner 8 durch die relativ große Öffnung 23 des heckseitigen Geschosshüllenabschnittes 20 in den Innenraum 6 dieses Hüllenabschnittes geschoben und positioniert. Dabei ist die Länge des Liners 8 derart gewählt, dass sich der Liner 8 vorderseitig vor den vorderen Rand 24 des heckseitigen Geschosshüllenabschnittes 20 erstreckt.Subsequently, the liner 8 is then pushed and positioned by the relatively large opening 23 of the rear-side projectile casing section 20 into the interior 6 of this casing section. In this case, the length of the liner 8 is selected such that the liner 8 extends on the front side in front of the front edge 24 of the rear-side projectile casing section 20.
Anschließend wird dann die Sprengladung 9 in den Liner 8 gegossen, derart, dass auch die Sprengladung 9 vorderseitig über den heckseitigen Geschosshüllenabschnitt 20 hervorsteht.Subsequently, the explosive charge 9 is then poured into the liner 8, such that the explosive charge 9 protrudes on the front side over the rear-side projectile casing section 20.
Nach dem Aushärten der Sprengladung 9 wird diese beispielsweise mittels eines spanabhebenden Verfahrens derart bearbeitet, dass die Sprengladung 9 vorderseitig mit einer ebenen Fläche 25 abschließt. Der Liner 8 wird dann mit einem aus Kunststoff bestehenden Deckel 26 versehen und mittels einer Verklebung hermetisch geschlossen. Auf den geschlossenen Liner 8 wird das exakt an die Innengeometrie des vorderen Geschosshüllenabschnittes 21 angepasste Ausgleichselement 10 aus einem offenporigen Schaumstoff positioniert. Dieses Ausgleichselement 10 hat eine große Aufstandsfläche zum Deckel 26 des Liners 8. Dadurch wird eine gute Krafteinbringung und damit eine genaue form- und kraftschlüssige Positionierung der Sprengladung 9 in ihrer vorgegebenen Position im heckseitigen Geschosshüllenabschnitt 20 erreicht.After curing of the explosive charge 9, this is processed for example by means of a machining process such that the explosive charge 9 ends on the front side with a flat surface 25. The liner 8 is then provided with a cover 26 made of plastic and hermetically sealed by means of a bond. On the closed liner 8, the exactly adapted to the internal geometry of the front floor shell portion 21 compensating element 10 is positioned from an open-cell foam. This compensating element 10 has a large footprint to the lid 26 of the liner 8. Thus, a good force introduction and thus an accurate positive and non-positive positioning of the explosive charge 9 in its predetermined position in the rear-side projectile casing section 20 is achieved.
Der anschließend auf den heckseitigen Geschosshüllenabschnitt 20 aufgeschraubte vordere Geschosshüllenabschnitt 21 komprimiert das mit Übermaß ausgelegte Ausgleichselement 10 und drückt somit den mit der Sprengladung 9 gefüllten Liner 8 in den heckseitigen Geschosshüllenabschnitt 20. Ein Verrutschen der Sprengladung wird somit bereits vor der Endmontage des Sprenggeschosses 1 verhindert.The subsequently screwed onto the rear-side projectile casing section 20 front bullet casing section 21 compresses the oversized compensating element 10 and thus pushes the filled with the explosive charge 9 liner 8 in the rear-side projectile casing section 20. Slipping of the explosive charge is thus prevented even before the final assembly of the projectile 1.
Abschließend wird ein sprengkräftiger Kopfzünder 4 in das Mundloch 5 eingeschraubt und verklebt. Dabei kann der Kopfzünder 4 derart ausgestaltet sein, dass er zu einer weiteren Kompression des Ausgleichselementes 10 genutzt werden kann. Finally, an explosive head detonator 4 is screwed into the mouth hole 5 and glued. In this case, the head detonator 4 can be designed such that it can be used for further compression of the compensating element 10.
BezugszeichenlisteLIST OF REFERENCE NUMBERS
1 Sprenggeschoss1 explosive projectile
2 Geschosshülle2 storey shell
2' ogivales Vorderteil2 ' ogivales front
3 Bodenteil3 bottom part
4 Kopfzünder4 head detonators
5 Mundloch5 mouth hole
6 Innenraum6 interior
7 Innenwand7 interior wall
8 Hülle, Liner8 cover, liner
9 Sprengladung9 explosive charge
10 Ausgleichselement10 compensation element
11 Längsachse11 longitudinal axis
20 (heckseitiger) Geschosshüllenabschnitt20 (rear) bullet casing section
21 (vorderer) Geschosshüllenabschnitt21 (front) projectile casing section
22 Schraubverbindung22 screw connection
23 Öffnung23 opening
24 vorderer Rand24 front edge
25 ebene Fläche25 level surface
26 Deckel 26 lids

Claims

PATENTANSPRÜCHE
1. Verfahren zur Herstellung eines großkalibrigen Sprenggeschosses (1) mit einer Geschosshülle (2) mit ogivalem Vorderteil (2'), die einen mit einer kunststoffgebundenen Sprengladung (9) gefüllten Innenraum (6) umschließt und ein spitzenseitig mit einem Kopfzünder (4) verschließbares Mundloch (5) aufweist, mit den Merkmalen:1. A method for producing a large-caliber explosive projectile (1) with a projectile casing (2) with ogivalem front part (2 ' ), which encloses a plastic-bound explosive charge (9) filled interior (6) and a tip side with a Kopfzünder (4) closable Having a mouth hole (5), with the features:
a) die Geschosshülle (2) wird als mindestens zweiteilige Hülle hergestellt, derart, dass sich in Richtung der Längsachse (11) der Geschosshülle (2) ein heckseitiger Geschosshüllenabschnitt (20) und ein das Mundloch (5) enthaltender, ringförmig ausgebildeter, vorderer Geschosshüllenabschnitt (21) ergibt, wobei die beiden Geschosshüllenabschnitte (20, 21) im Bereich des ogivalen Vorderteiles (2') über eine Schraubverbindung (22) miteinander verbindbar sind;a) the projectile casing (2) is produced as at least two-part casing, such that in the direction of the longitudinal axis (11) of the projectile casing (2) has a rear-side projectile casing section (20) and a mouth-shaped (5) containing, annular projectile casing section (21) results, wherein the two projectile casing sections (20, 21) in the region of the ogivalen front part (2 ' ) via a screw connection (22) are connectable to each other;
b) vor dem Verbinden der beiden Geschosshüllenabschnitte (20, 21) wird in den Innenraum (6) des heckseitigen Geschosshüllenabschnittes (20) durch deren vorderseitige Öffnung (23) zunächst eine an die Innenkontur des Innenraumes (6) angepasste, aus einem elastischen Material bestehende Hülle (8) eingebracht und positioniert;b) before connecting the two projectile casing sections (20, 21) is in the interior (6) of the rear-side projectile casing section (20) through the front opening (23) first to the inner contour of the interior (6) adapted, made of an elastic material Shell (8) inserted and positioned;
c) dann wird die kunststoffgebundene Sprengladung (9) in die Hülle (8) eingebracht, und nach ihrem Aushärten wird die Hülle (8) mit einem Deckel (26) dicht verschlossen;c) then the plastic-bound explosive charge (9) is introduced into the sheath (8), and after its curing, the sheath (8) is sealed with a lid (26);
d) anschließend wird ein an die Innengeometrie des vorderseitigen Geschosshüllenabschnittes (21) angepasstes elastisches Ausgleichselement (10) auf dem Deckel (26) positioniert und die beiden Geschosshüllenabschnitte (20, 21) miteinander verschraubt.d) subsequently, an elastic compensation element (10) adapted to the internal geometry of the front-side projectile casing section (21) is positioned on the cover (26) and the two projectile casing sections (20, 21) are screwed together.
2. Verfahren nach Anspruch 1 , dadurch gekennzeichnet, dass die Hülle derart gewählt wird, dass die Sprengladung (9) axial über den vorderen Rand (24) des heckseitigen Geschosshüllenabschnittes (20) hervorsteht, und dass nach dem Aushärten der Sprengladung (9) diese durch entsprechende Bearbeitung vorderseitig mit einer ebenen Fläche (25) abschließt, welche nach dem Verbinden der beiden Geschosshüllenabschnitte (20, 21) in den Innenraum des vorderseitigen Geschosshüllenabschnittes (21 ) hineinragt.2. The method according to claim 1, characterized in that the shell selected such is that the explosive charge (9) protrudes axially beyond the front edge (24) of the rear-side projectile casing section (20), and that after curing of the explosive charge (9) by appropriate processing the front ends with a flat surface (25), which after the connection of the two projectile casing sections (20, 21) projects into the interior of the front-side projectile casing section (21).
3. Verfahren nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Hülle (8) und der Deckel (26) miteinander und/oder mit der Innenwand der Geschosshülle (2) verklebt oder versiegelt werden.3. The method according to claim 1 or 2, characterized in that the sheath (8) and the cover (26) are glued or sealed together and / or with the inner wall of the projectile casing (2).
4. Großkalibriges Sprenggeschoss mit einer Geschosshülle (2) mit ogivalem Vorderteil (2'), die einen mit einer kunststoffgebundenen Sprengladung (9) gefüllten Innenraum (6) umschließt und dessen ogivales Vorderteil (2') spitzenseitig ein mit einem Kopfzünder (4) verschließbares Mundloch (5) aufweist, wobei an den Innenwänden (7) des Innenraumes (6) der Geschosshülle (2) eine aus einem elastischen Material bestehende Hülle (8) angeordnet ist, in welcher sich die Sprengladung (9) befindet, die vorderseitig durch ein elastisches Ausgleichselement (10) abgeschlossen ist, dadurch gekennzeichnet, dass die Geschosshülle (2) in Richtung ihrer Längsachse (11) aus mindestens zwei Geschosshüllenabschnitten (20, 21) besteht, wobei der das Mundloch (5) enthaltende, ringförmig ausgebildete, vordere Geschosshüllenabschnitt (21) im Bereich des ogiva- len Vorderteiles (2') mit dem heckseitigen Geschosshüllenabschnitt (20) über eine Schraubverbindung (22) verbunden ist, und dass sich die Sprengladung (9) bis in den vorderen Geschosshüllenabschnitt (2f) erstreckt und die Hülle (8) mit einem Deckel (26) abgeschlossen ist, an dem vorderseitig das Ausgleichselement (10) formschlüssig anliegt.4. Large-caliber explosive projectile with a projectile casing (2) with ogivalem front part (2 ' ), which encloses a plastic-bound explosive charge (9) filled interior (6) and the ogivales front part (2 ' ) on the tip side with a Kopfzünder (4) closable Having a mouth hole (5), wherein on the inner walls (7) of the interior (6) of the projectile casing (2) is an existing elastic material consisting of a sheath (8), in which the explosive charge (9) is located, the front side by a elastic compensating element (10) is completed, characterized in that the projectile casing (2) in the direction of its longitudinal axis (11) consists of at least two projectile casing sections (20, 21), wherein the mouth hole (5) containing, annularly shaped, front projectile casing section ( 21) in the region of the ogiva- len front part (2 ' ) with the rear-side projectile casing portion (20) via a screw (22) is connected, and that si the explosive charge (9) extends into the front projectile casing section (2f) and the casing (8) is closed off with a cover (26) on which the compensating element (10) rests in a form-fitting manner on the front side.
5. Großkalibriges Sprenggeschoss nach Anspruch 4, dadurch gekennzeichnet, dass die Schraubverbindung (22) der beiden Geschosshüllenabschnitte (20, 21) mittels eines Klebers gegen Lösen gesichert ist.5. Large-caliber explosive projectile according to claim 4, characterized in that the screw connection (22) of the two projectile casing sections (20, 21) is secured by means of an adhesive against loosening.
6. Großkalibriges Sprenggeschoss nach Anspruch 4 oder 5, dadurch gekennzeichnet, dass die Länge des vorderen Geschosshüllenabschnittes (21 ) etwa gleich 1/3 der Gesamtlänge der Geschosshülle (2) beträgt. Großkalibriges Sprenggeschoss nach einem der Ansprüche 4 bis 6, dadurch gekennzeichnet, dass das Ausgleichselement (10) aus einem offenporigen Schaumstoff besteht. 6. Large-caliber explosive projectile according to claim 4 or 5, characterized in that the length of the front projectile casing section (21) is approximately equal to 1/3 of the total length of the projectile casing (2). Large-caliber explosive projectile according to one of claims 4 to 6, characterized in that the compensating element (10) consists of an open-cell foam.
EP10720128.7A 2009-05-25 2010-05-06 Method for producing a large-calibre explosive projectile, and an explosive projectile produced using this method Not-in-force EP2435780B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009022495A DE102009022495A1 (en) 2009-05-25 2009-05-25 Method for producing a large-caliber explosive projectile and explosive projectile, produced by this method
PCT/EP2010/002795 WO2010145734A1 (en) 2009-05-25 2010-05-06 Method for producing a large-calibre explosive projectile, and an explosive projectile produced using this method

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EP2435780A1 true EP2435780A1 (en) 2012-04-04
EP2435780B1 EP2435780B1 (en) 2013-07-10

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US (2) US8601950B2 (en)
EP (1) EP2435780B1 (en)
DE (1) DE102009022495A1 (en)
IL (1) IL216499A (en)
WO (1) WO2010145734A1 (en)
ZA (1) ZA201107921B (en)

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IL216499A (en) 2015-07-30
US8739671B2 (en) 2014-06-03
DE102009022495A1 (en) 2010-12-02
ZA201107921B (en) 2012-07-25
US8601950B2 (en) 2013-12-10
EP2435780B1 (en) 2013-07-10
US20140076129A1 (en) 2014-03-20
WO2010145734A1 (en) 2010-12-23
IL216499A0 (en) 2012-01-31
US20120137918A1 (en) 2012-06-07

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